Armor items such as Thornmail and Randuin's Omen do extremely well against Tryndamere because he is completely auto-attack based.
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869

Igniting him at the end of his ultimate duration will usually end up in a kill, as his healing from his Q will be halved. Report

717

Try to turn around when Tryndamere is casting his Mocking shout to save yourself from getting slowed.
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144

If you have the tools to do so, try to zone him out of any possible fury. His 35% crit passive can turn almost any fight around. Tryndamere has a relatively weak early, so don't be afraid to get in his face.Report